| 泄洪隧洞直墙混凝土施工和表面处理 |
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| 引用本文： | 于景辰 冯玉贵. 泄洪隧洞直墙混凝土施工和表面处理[J]. 东北水利水电, 1999, 0(2): 7-10 |
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| 作者姓名： | 于景辰 冯玉贵 |
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| 作者单位： | 中国水利水电第六工程局第四分局(于景辰)，黑龙江省龙江县水利局(冯玉贵) |
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| 摘 要： | 某泄洪隧洞为圆拱直墙式无压洞。隧洞边墙混凝土施工采用外撑轨道式钢模台车，混凝土运输使用南斯拉夫产ＡＮ３５００型自动拌和车，配合ＮＰ－７４ＢＴＳ型混凝土泵入仓。施工中采取了减少降低坍落度、加强振捣等措施，防止混凝土表面产生气泡。对混凝土表面的施工缺陷使用环氧材料进行了处理。
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| 关 键 词： | 泄洪隧洞 混凝土施工 直边墙 表面处理 |
Concrete construction and surface treatment of vertical wall for discharge tunnel |
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| Yu Jingchen Feng Yugui. Concrete construction and surface treatment of vertical wall for discharge tunnel[J]. Water Resources & Hydropower of Northeast China, 1999, 0(2): 7-10 |
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| Authors: | Yu Jingchen Feng Yugui |
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| Affiliation: | Yu Jingchen Feng Yugui |
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| Abstract: | The transversal section of a free-flow discharge tunnel is of a vertical side wall with circular arch crown section. A trolley was used in concreting for the vertical wall. The sheet steel form on the trolley was braced by some exterior set bolts. The automatic agitating lorry (type AN3500) made in Yugoslavia and a concrete pump (type NP-74BTS) was used. For avoiding to come into being a blister in the surface course of the side wall, a series of preventive measures included to reduce slump and to increase vibrating was adopted. As well as the other surface defects were treated with an epikote material. |
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| Keywords: | discharge tunnel concrete construction vertical side wall surface treatment |
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